Compare the Top Unified Communications Software in the UK as of October 2026

What is Unified Communications Software in the UK?

Unified communications software integrates various communication tools and channels—such as voice calls, video conferencing, instant messaging, email, and collaboration platforms—into a single, streamlined system. These platforms help businesses improve communication and collaboration across teams, regardless of their location, by providing real-time access to different communication methods through a single interface. Unified communications software often includes features like call routing, voicemail, file sharing, screen sharing, and presence indicators to enhance productivity and reduce communication barriers. By using this software, organizations can simplify workflows, improve customer service, and ensure more efficient internal communication. Compare and read user reviews of the best Unified Communications software in the UK currently available using the table below. This list is updated regularly.

  • 1
    PBXware

    PBXware

    Bicom Systems

    Our UC platform brings PBXware and gloCOM together into a single product that service providers can bring to market under their own brand. Voice, video, chat, meetings, and presence run in one interface across desktop, mobile, and web, on a unified codebase that keeps the desktop and web experience consistent and easier to support. v8 multi-CRM support runs multiple CRMs in parallel per tenant, with conversation history logging automatically across all channels and devices, so client data is always where it needs to be. AI capabilities through AI Hub add Voice Agents and Live Transcription for providers looking to differentiate. Fully white-label, with branding managed through BRM.
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  • 2
    Yeastar P-Series PBX System
    The Yeastar P-Series provides a complete Unified Communications (UC) solution, seamlessly integrating voice, video, messaging, and presence into one cohesive platform. By eliminating the friction between disparate communication channels, it empowers modern teams to switch effortlessly between mobile, desktop, and web interfaces without losing continuity.
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  • 3
    3CX

    3CX

    3CX

    3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.
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    Starting Price: Free for up to 10 users
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  • 4
    Intermedia Unite
    Intermedia Unite® brings business communications, collaboration, and customer engagement into one easy-to-use platform—keeping teams connected, productive, and responsive from anywhere. It replaces fragmented tools by combining business phone service, video conferencing, team chat, and file sharing into one seamless experience, so employees can collaborate without switching apps. Unite delivers enterprise-grade calling with 100+ features, integrated customer engagement, and enhanced Microsoft Teams experiences. With mobile and desktop apps, users can call, meet, message, and engage customers from anywhere while maintaining a consistent business identity. AI-powered transcription, summaries, and insights help teams capture details and follow up efficiently. Backed by 99.999% uptime and J.D. Power-certified support, Unite ensures reliable performance—resulting in simpler communications, more productive teams, and better customer engagement.
    Starting Price: $22.99/user
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  • 5
    ULTATEL

    ULTATEL

    ULTATEL

    Unleash the power of seamless communication with ULTATEL, the award-winning business phone system that propels your business beyond limits. With a fully customizable and scalable unified communications platform, you can effortlessly integrate voice, SMS, chat, video, and over 40 advanced features for unparalleled productivity. Experience true transparency with ULTATEL's no-hidden-fees pricing model, setting a new industry standard. Recognized as a Gartner Category Leader and G2 High Performer, ULTATEL empowers your workforce with cutting-edge technology, enabling them to stay connected with customers anytime, anywhere. Ever need assistance? Our Award-Winning Customer Support team delivers a remarkable 94% first-contact resolution rate, with a human ready to take your call or email 24/7/365. With Ultatel, your business is ensured to remain agile, responsive, and always connected beyond limits.
    Starting Price: $14.95 per user per month
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  • 6
    VirtualPBX

    VirtualPBX

    VirtualPBX

    VirtualPBX gives small businesses a complete, high-powered cloud phone system for $15/user/month with every single feature already included. One simple plan. No contracts. No feature gates. Zero surprises. Just smarter voice for your business—whether your team is at a desk, on the road, or working from home. Deploy AI FrontDesk whenever you're ready for intelligent 24/7 call handling, and scale into advanced messaging tools as your business grows. As the pioneers who invented cloud telephony in 1997, we back every account with expert, U.S.-based human support from people who genuinely understand small business. Because having the right technology is important—but having the right team behind it levels the playing field.
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    Starting Price: $18/month
  • 7
    T-Max Phone Systems
    The Hosted Business Phone System PBX will make any company sound and function like a Fortune 500 company. Your company can have all your calls answered by an auto-attendant allowing for callers to choose departments, extensions, dial by name or many other options. If you are working on the go you can have them automatically transferred to your cell phone. T-Max is fully geo-redundant. In other words, our servers are being hosted in a top-notch data centers throughout the United States. We use multiple carriers ensuring maximum connectivity to the PSTN. T-Max uses high-quality desk phones from Polycom & Yealink, with many different models to pick from to fit your unique environment best. We offer reception consoles, agent phones, wireless phones, and conference room phones. Our Hosted Business Phone System is the best choice for the price on the market today. 1-888-245-3483 Departments Extensions Digital Receptionist Voice Prompts Voice Mail Fax Service and Much More
    Starting Price: $19.99 Mo/Ext
  • 8
    Infinite Connect

    Infinite Connect

    Infinite Connect

    One unified platform to run your entire business remotely. Improve productivity and simplify your communications with reliable voice, video, fax, conferencing and messaging in the cloud. Flexible unified cloud communications and contact center services designed, for small and medium sized businesses. Customize your settings and capabilities to have your conference calls work the way you want. Up to 100 callers included. In place of your traditional small business phone system, our VoIP phone system or hosted PBX uses your broadband connection to make communicating easier. From small meetings to large webinars, broadcast HD video, enable integrated teleconferencing and share your desktop with ease. No downloads required. Send and receive SMS & MMS text messages online and manage internet faxing from your dashboard. Infinite provides the most up to date VoIP Phones that arrive fully configured with plug and play functionality. All you have to do is turn on your phone and start talking.
    Starting Price: $22.50 per month
  • 9
    Slack

    Slack

    Salesforce

    Slack is a work collaboration platform that brings people, apps, data, and AI agents together in one shared workspace. It helps teams communicate through channels, direct messages, huddles, Slack Connect, files, canvases, lists, workflows, and integrations. The platform includes Slackbot, a context-aware AI agent that can summarize conversations, search across messages and files, prepare users for meetings, analyze documents, and help complete tasks without leaving Slack. Slack also supports connected apps such as Salesforce, Google Drive, GitHub, Zoom, Asana, Box, Workday, ChatGPT, and many others. Teams can use Workflow Builder to automate stand-ups, project updates, approvals, notifications, and routine business processes. With enterprise search, AI assistance, secure collaboration, and a large integration ecosystem, Slack helps organizations stay aligned, move faster, and reduce work scattered across disconnected tools.
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    Starting Price: $8.75/user/month
  • 10
    Thirdlane

    Thirdlane

    Thirdlane

    Thirdlane is a scalable UCaaS platform that blends multi-tenant PBX, Contact Center, and collaboration apps into one solution. MSPs, Enterprises, and telecom providers adopt Thirdlane when they want freedom of deployment, deep integrations, and reliable control over their communications stack. Whether your team prefers cloud-hosted services or on-premises deployments, Thirdlane adapts to your strategy. IT departments appreciate the API-first design, while business leaders value the ability to cut costs and avoid lock-in. Core benefits: - Enterprise-grade PBX with calling, video meetings, voicemail, and advanced routing. - Unified Thirdlane Connect apps for chat, video meetings, and file sharing. - Built-in Contact Center - Advanced analytics to improve service and sales. - CRM integration for context-rich customer interactions. - White-label branding across all user touchpoints. - Options for geo-redundancy and high availability.
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    Dialpad Connect
    Dialpad Connect is an AI-powered unified communications platform that combines voice, video, and messaging to enhance team collaboration and customer interactions. It features real-time call transcription, automated call summaries, and AI-generated action items to help users stay focused during conversations. The platform integrates seamlessly with popular business apps like Salesforce, Zendesk, Microsoft Teams, and Google Workspace to streamline workflows. Designed for businesses of all sizes, Dialpad Connect delivers enterprise-grade reliability with 100% uptime SLA and robust disaster recovery. Security and privacy are core priorities, meeting standards like GDPR, HIPAA, and SOC 2 compliance. Dialpad Connect helps companies elevate customer experiences while boosting team productivity.
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    Starting Price: $15/user/month
  • 12
    Yodel.io

    Yodel.io

    YodelTalk

    The phone system for customer service teams. Yodel joins your team as a receptionist that pre-qualifies inbound voice communications and allows call management without switching tools. Collaborate on calls and enjoy the crystal clear voice quality through our battle-tested infrastructure. Get your phone system up and running in minutes. No complicated adoption from your previous business phone. Yodel integrates with over 1000 software tools so you can connect the phone with your existing workflows. Stay close to your customers no matter where they are by using Yodel’s access to phone numbers in over 100 countries. Yodel works with trusted local carriers to guarantee the best possible call quality. We deliver a reliant service uptime and a secure call infrastructure. Modern customer service teams need to deliver high quality support and ensure high customer satisfaction. Yodel removes everything that’s painful about phone systems and deliver what matters: the voice communication.
    Starting Price: $25.00 per user per month
  • 13
    Vonage Business
    Vonage Business is a leading cloud communications platform for businesses of all sizes and industries. Vonage Business covers all the communication needs of organizations looking to succeed, offering more than 40 business-critical features, mobility, conferencing, and integration with top cloud applications. Trusted by more than 500,000 business users, Vonage is available in a number of plans and packages that fit various business requirements.
    Starting Price: $19.99/month/user
  • 14
    Talkdesk

    Talkdesk

    Talkdesk

    Talkdesk® provides an AI-native customer experience platform for operating a human-AI hybrid workforce across service, sales, and support. Enterprise CCaaS supports the human workforce, while Customer Experience Automation (CXA) builds and manages AI agents and orchestrates work across the human-AI workforce. Both support voice and digital engagement. CXA uses agentic AI and multi-agent orchestration to coordinate AI agents, human employees, data, knowledge, and workflows across enterprise systems from request to resolution. CXA analyzes prior interactions to identify opportunities, helps teams build agentic AI agents using natural language, tests them before deployment, and optimizes them over time. Talkdesk Data Cloud provides unified, real-time context with governance and human oversight. Industry-specific AI, workflows, and integrations support more than 12 industries. CXA can be deployed with Talkdesk CCaaS or an existing cloud, hybrid, or on-premises contact center.
    Starting Price: $85 per month
  • 15
    Voyced

    Voyced

    Voyced

    Hosted VoIP solution with a European focus and a local presence in over a 165 countries. As all our solutions are based on Premium Plus we give you the highest possible quality for the lowest price. All carry all types of numbers, from Geographic to National, TollFree and UIFN, Mobile VoIP, Elastic Pool solutions and much more. We also have our own Roaming products (physical and SIM solutions) too.
    Starting Price: $0.25 per user per month
  • 16
    Pexip

    Pexip

    Pexip

    Providing seamless video communication to all organizations regardless of technology platforms and security requirements. Complete privacy and control of data: Your way of security is our way of security. Connect the right people at the right time with the right information, and remain compliant with government regulations. Connect any room to any meeting: Delight users with a seamless and intuitive meeting experience, regardless of technology platforms. Build rich and engaging video experiences: Adapt to evolving client needs. Securely embed video in your daily workflows for better connection and engagement with citizens, patients and customers.
  • 17
    Yeastar Cloud PBX
    Yeastar Cloud PBX is a fully-featured future-ready phone system ideally suited for SMBs. With Linkus UC Clients, you will gain easy access to enhanced call efficiency and remote working agility across any device at your choice. With 100% hosted deployment, there is no upfront hardware cost and the in-house management overheads are reduced to almost nothing. Together with easy to use and full compatibility features, any migration or upgrade to Yeastar’s hosted solution will be as easy as a breeze. * Please note that Yeastar P-Series PBX System is the new Yeastar Cloud PBX that comes with versatile call center features and unified communications features.
  • 18
    Spruce Health

    Spruce Health

    Spruce Health

    Modern healthcare communication. Spruce is the simplest and most powerful way for patients, healthcare providers, and other partners in health to connect and communicate. Spruce integrates your existing communication methods with new tools, all in one easy-to-use inbox. One supercharged team inbox for all communication. With Spruce, you can communicate with both your teammates and your patients in one HIPAA-compliant inbox. Managing patient requests, listening to voicemails, and responding quickly is easy when everything is all in one place. Reach patients with the right message at the right time. Great care starts with a proactive approach. With Spruce, you can effectively reach patients before a problem turns into an emergency – helping you build stronger relationships and deliver more efficient care. With virtual care and complex workflow automation, you and your team can cover more ground and avoid unnecessary repetition.
    Starting Price: $24 per user per month
  • 19
    voximplant

    voximplant

    voximplant

    The industry’s true serverless platform for voice, video, and messaging APIs trusted by thousands of developers around the world to innovate and scale real-time communications for businesses of any size.
  • 20
    Yeastar Linkus UC Softphone
    Coordinated with on-premises and cloud PBX, Yeastar Linkus Unified Communications App provides you with easy access to enhanced call efficiency with enterprise-grade telephony features across all devices at your choice, and gives you remote working agility with softphone, instant messaging, presence, file sharing and CRM integration, etc.
  • 21
    CoreNexa

    CoreNexa

    CoreDial

    Introducing CoreNexa: A transformative UCaaS platform and business model driving channel success, and delivering rich and comprehensive end-user experiences! CoreNexa improves the productivity and capabilities for all end users with a powerful Unified Communications Client and fully integrated mobile application, a class-leading omni-channel Contact Center and proven administration platform. By exceeding end users’ expectations, CoreNexaTM will empower you to be more successful than ever before while maintaining your core ability to sell, deliver, manage, and invoice. CoreNexaTM grew from a steadfast dedication to providing our Channel Partners with a platform that enables exceptional success in building a strong cloud communications business. After spending more than a decade developing the most competitive model for Partners to sell, deliver, manage, and invoice for cloud communications services, we’re devoting focus to the rich end user experiences your customers expect.
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    2600Hz

    2600Hz

    2600Hz

    An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.
    Starting Price: $3.50/month
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    Viirtue

    Viirtue

    Viirtue

    With video collaboration software, mobile capabilities, and a best-in-class streamlined quote-to-cash solution, Viirtue transforms white label VoIP & UCaaS so you can compete with the big players and easily scale your business with modern tools and excellent support. Rebrand our full suite of white label communication tools as your own, becoming a one-stop-shop for technology solutions without bringing on additional team members. Schedule a demo and see how our industry-leading platform, quote-to-cash software, and other proprietary automation can make running a unified communications business easy. Fair pricing algorithm that only charges for seats that are used and not multiple times for users with multiple devices. Our proprietary, all-in-one quote-to-cash software and reseller dashboard provides a turnkey tool for sales, quoting, tax automation, marketing, and online learning that supports your branded platform and gives you the edge on capturing and winning more business.
    Starting Price: $5/month per user
  • 24
    Fusion Connect

    Fusion Connect

    Fusion Connect

    Connect your entire business with one call. Fusion Connect is your Managed Services Provider tailoring business internet solutions for your SD-WAN, business VoIP, unified communications (UCaaS), internet access, secure networking, and more. Fusion Connect's Business VoIP also features Internet-based faxing, SIP trunking, softphone, and auto attendant functions. Compatible with Windows and Mac, as well as device independent.
    Starting Price: $19.95/month/user
  • 25
    Exelysis Contact Center
    Exelysis Contact Center is a contemporary telecom framework providing advanced features, improving the reliability of communication. Exelysis, through group based routing, allows the intelligent distribution of calls and the optimal utilization of agent resources. With Exelysis Contact Center, each call can be multiply tagged based on its characteristics, allowing for fine grained handling. An agent group acts like the bonding agent between calls and handling agents. Groups can abstract skills, departments and campaigns, providing great flexibility when modelling the call routing scenarios. Groups can be bundled in sets, allowing more complex scenarios to be implemented. Queueing of calls is performed dynamically, based on the call’s characteristics. Priorities allow for delicate tuning of call handling order, and advanced features like priority levels allow assigning important calls to agents concurrently with their streamlined workload.
    Starting Price: 50e
  • 26
    Video RTC

    Video RTC

    Interactive Powers

    Video Gateways for advanced Real-time Communications on existing Contact Centers. Multi-channel coverage for Web Browsers, Mobile devices and IoT.
    Starting Price: $69/month/port
  • 27
    Nextiva

    Nextiva

    Nextiva

    Nextiva is an AI-powered Unified Customer Experience Management (Unified-CXM) platform that helps businesses acquire, retain, and grow customers through seamless, personalized interactions. It unifies voice, chat, messaging, social, email, video, and reviews into one platform, eliminating silos and improving collaboration across teams. With patented customer journey orchestration, companies gain real-time insights and automate workflows that improve customer retention while lowering costs. Built-in AI and automation simplify self-service, optimize agent productivity, and deliver measurable efficiency. Nextiva’s workforce engagement tools reduce attrition, boost performance, and connect front-line employees with back-office teams. Trusted by thousands of innovative companies worldwide, and recognized as a Strong Performer in Gartner’s 2025 “Voice of the Customer” CCaaS report, Nextiva is redefining how businesses deliver meaningful customer experiences.
    Starting Price: $19.95 per month
  • 28
    Vonix

    Vonix

    Vonix

    Imagine if your customers could seamlessly communicate with your business how they want to. Calling, SMS, messaging, social, and chat all unified in one interface with one goal: simplifying communication. You’ll want to see what we have in store. With Vonix, you’ll be able to call, text, social message and chat using your business profile from one mobile app. You’ll access all your business phone features as if you were in the office, using your business number from your cell phone. Text or message your customers, and transfer whole conversations with the internal collaboration features. Sync conversations into your customer records and keep everyone in the loop. Access business calling features like interactive voice menus, day/night mode, voicemail transcription & more. Improve satisfaction and get faster resolutions by enabling customers to communicate via their preferred method.
    Starting Price: $29.99 per user per month
  • 29
    Tresta

    Tresta

    Tresta

    Tresta is a virtual phone system and mobile app that turns any smartphone into your business phone. With unlimited calling, texting, and powerful call management features, Tresta helps your business communicate smarter and more efficiently. At just $15 per user per month, Tresta offers all the features you need to help your business look its best. And there are no contracts, premium feature fees, per-minute charges or hidden costs. Get started today and try Tresta for free for 30 days. Tresta’s easy to use mobile app lets you use your business number and personal number on the same phone, while keeping your personal and professional lives separate. With Tresta’s virtual phone system, you have all the tools you need to professionally route and manage calls, so your business can always look its best. Tresta offers unlimited calling and texting, and powerful call management features all for one low price.
    Starting Price: $15 per user per month
  • 30
    Whelp

    Whelp

    Whelp

    Whelp is an AI-based cloud and on premise solution for faster, more personalized customer support. Call centers, BPOs, inbound and outbound sales teams from airlines, healthcare, education, insurance, banking, retail and etc. Deliver personalized support across all channels from one screen. Build life-long customer relationships. Use our live chat to connect with valuable leads on your website when you’re online, and automate capturing their info when you’re not: our Chabot is at your service. Engage in meaningful conversations with customers in real time to increase loyalty. Pick things up right where they left off last - no repeat or recap required. Provide outstanding service to your customers where they are, from voice to chat, SMS, email and WhatsApp in a single screen. No add-ons or plug-ins required. Assist your customers quickly with personalized and swift support.
    Starting Price: Free
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